| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1681.76 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1088.2 | USD | 20251201 |
| Yangmei Taihua Coke | China national standards | MT | 989.27 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 953.94 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 975.14 | USD | 20251201 |
| Shandong Yuxuan Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 975.14 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 953.94 | USD | 20251201 |